Display screen or portion thereof with transitional icon



FIG. 1 is the first image in a sequence for a display screen or portionthereof with transitional icon showing my new design;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof; and,

FIG. 5 is the fifth image thereof.

The outer perimeter illustrated by a pair of dashed broken lines in thedrawings illustrates a display screen or portion thereof and forms nopart of the claimed design. The dot-dash broken lines in the drawingsdefine the boundaries of the claimed design and form no part thereof.

The appearance of the transitional image sequentially transitionsbetween the images shown in FIGS. 1-5 . The process or period in whichone image transitions to another images forms no part of the claimeddesign.

CLAIM The ornamental design for a display screen or portion thereof withtransitional icon, as shown and described.